Charlie Day's Five-Year-Old Son Wrote His First Knock-Knock Joke

Also available on the NBC app

Charlie Day talks to Jimmy about the romantic 10th anniversary gift his wife gave him that he refused to commit to and shares a joke his son wrote.

Appearing:Jimmy Fallon
Tags: The Tonight Show, Jimmy Fallon, charlie day, Five-Year-Old, son, Wrote, first, Knock-Knock Joke
S4 E893 minInterviewTalk and InterviewLatenight